It is best to further check the urine routine, urine culture and human immune function to clarify the specific cause before targeting treatment. If the immunity is indeed low, you can inject interferon injection, thymidine injection or gammaglobulin injection, treatment for 1-2 months can effectively improve the body’s immunity, urinary tract infection can be completely cured and not easy to recur. If it is found that the infection is caused by drug-resistant bacteria, you should generally choose sensitive antibiotics according to drug sensitivity, such as furantoin tablets, sulfadiazine tablets, continuous oral treatment for at least 1 month to completely remove drug-resistant bacteria, urinary tract infection will not be easy to recur.